Litter box



FIG. 1 is a front perspective view of a first embodiment of a litter boxshowing my new design;

FIG. 2 is another front perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a left elevational view thereof;

FIG. 8 is a right elevational view thereof;

FIG. 9 is a front perspective view of a second embodiment of FIG. 1;

FIG. 10 is another front perspective view of FIG. 9;

FIG. 11 is a front elevational view of FIG. 9;

FIG. 12 is a rear elevational view of FIG. 9;

FIG. 13 is a top plan view of FIG. 9;

FIG. 14 is a bottom plan view of FIG. 9;

FIG. 15 is a left elevational view of FIG. 9; and,

FIG. 16 is a right elevational view of FIG. 9.

The broken lines in the Figures depict environmental subject matter andform no part of the claimed design.

CLAIM The ornamental design for a litter box, as shown and described.